var pages=$(".page");
var loadBtn = $(".wrap_start img");
var index = $(".wrap");
var time2;
function donghua()
{
	var n =1;
	time2 = setInterval(function(){
		pages.css("display","none")
		pages.eq(n).css("display","block");
		n++;
		n>pages.length-1?n=0:null;
	},5000)
}
//console.log(1)
loadBtn.on("click", function(){
	$(this).parent().fadeOut(100);
	$(".wrap").fadeIn();
	donghua();
	console.log(1)
})

